Pepper mill



FIG. 1 is a front elevational view of a pepper mill showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view of FIG. 1; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a pepper mill, substantially as shown. 